import fs from "node:fs";
import path from "node:path";
import { Command } from "commander";
import { WrongFileExtException } from "../exceptions";
import { extractAlbum } from "../services";

export const AlbumExtractor = new Command();

AlbumExtractor.name("extract")
	.description("Extract google photos data")
	.argument("<url>", "album shared url")
	.argument("<filename>", "output json filename")
	.action(async (url: string, filename: string) => {
		const dir = path.dirname(filename);
		const extname = path.extname(filename);

		if (extname !== ".json") {
			throw new WrongFileExtException("file extension should be .json");
		}

		if (!fs.existsSync(dir)) {
			fs.mkdirSync(dir);
		}

		const album = await extractAlbum(url);

		const jsonString = JSON.stringify(album);
		fs.writeFileSync(filename, jsonString);
		console.log(`album exported in ${filename}`);
	});